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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0863162 (1986-05-14) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 6 인용 특허 : 0 |
This invention is concerned with a check valve made up of two housings or castings, each of which has a corrosion resistant liner which provides improved support and operation of the ball or check member and increased resistance to liner collapse when operating under vacuum conditions.
In a ball check valve, a pair of juxtaposed housing members having a ball cavity between them, aligned ports in the housing members in communication with the ball cavity providing an inlet and outlet for fluid flow, liners inside the housing members defining the ball cavity, one in each housing memb
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